Here's a beautiful set of 3 watertight uncoupled balconies on a large house we've built. We've detailed every stage of the project: structure, watertight joisting, invisible fastening of the boards, railings, staircase, rainwater drainage.

 

Installing balconies

The metal structure

Installation of watertight balconies
1 : implementation small balconies attached to the façade, with a steel structure
The metal structure
2 Construction of the steel structure

MetaDeck profiles

View of the balcony from inside

MetaDeck profiles
3 View of the profiles once they have been fixed to the supporting structure.
View of the balcony from inside
4 View of the watertight balcony from inside the house

Waterproofing balconies

The underside of the balcony

Waterproofing balconies
5 : managing the seal between the watertight balcony and the house wall.
The underside of the watertight balcony
6 the underside of the watertight balcony is powder-coated at the factory

The ends of balconies 

Fixing the decking

The ends of watertight balconies
7 preparation of the end of the watertight balcony
Fixing the decking
8 Fixing the Cumaru deck boards to the profiles, making the balcony perfectly watertight.

Project completed

Project completed
9 : A beautiful balcony, with railings, to avoid the thermal bridges created by traditional concrete balconies.